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DC 배전용 반도체 변압기를 위한 직렬 연결된 플라잉 커패시터 멀티-레벨 정류기의 모델 예측 제어 방법

Title
DC 배전용 반도체 변압기를 위한 직렬 연결된 플라잉 커패시터 멀티-레벨 정류기의 모델 예측 제어 방법
Other Titles
A Model Predictive Control Method of a Cascaded Flying Capacitor Multi-level Rectifier for Solid State Transformer for DC Distribution System
Author
김래영
Keywords
DC distribution system; Finite control set-model predictive control; Flying capacitor rectifier; Multi-level converter; Solid state transformer
Issue Date
2018-10
Publisher
전력전자학회
Citation
전력전자학회 논문지, v. 23, no. 5, page. 359-365
Abstract
This study introduces a model predictive control method for controlling a cascaded flying capacitor multilevel rectifier used as an AC-DC rectifier of a solid-state transformer for DC distribution systems. The proposed method reduces the number of states that need to be considered in model predictive control by separately controlling input current, output DC link voltage, and flying capacitor voltage. Thus, calculation time is shortened to facilitate the level expansion of the cascaded flying capacitor multilevel rectifier. The selection of weighting factors did not present difficulties because the weighting factors in the cost function of the conventional model predictive control are not used. The effectiveness of the proposed method is verified through computer simulation using powersim and experiment.
URI
http://koreascience.or.kr/article/JAKO201832568236984.pagehttps://repository.hanyang.ac.kr/handle/20.500.11754/120403
ISSN
1229-2214; 2288-6281
DOI
https://doi.org/10.6113/TKPE.2018.23.5.359
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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